STOCK VALUATION
Types of Inventories
1. Raw Materials 2.Work-in-Progress or
Semi-Finished Goods 3. Finished Goods
Need of stock valuation
1. Determination of Income 2.Ascertainment of
Financial Position
3.Liquid Analysis 4.Statutory Compliance
Inventory Record System
1. Periodic Inventory System-Under this method,
stock is ascertained physically. Under this system valuation is done at the end
of the period.
2. Perpetual Inventory System- Under this system
valuation of stock is done after each issue and receipt.
Physical valuation is not done here.
Methods of Stock Valuation
1. FIFO Method- Under this method, for the purpose of pricing the issues, it is
assumed that materials
received first are issued first.
2. LIFO Method- Under this method, for the purpose of pricing the issues, it is
assumed that materials
received lat are issued first.
3. Simple average Method- Under this method the rates of purchases represented by stock at the
time of issue are added and then divided by the number of such rates to obtain
the simple average rate at cost.
4. Weighted Average Method- Under this method total cost of materials in stock at the time of
issue is divided by the total quantity of materials in stock to obtain the
weighted average rate.
5. Periodic Simple Average Method- In this case the rates of purchases during a given period are added
and then divided by number of such purchases during that period. Opening stock
representing last year’s purchases is not considered.
6. Periodic Weighted Average Method- In this case, to obtain rate of issues, all purchases during a given
period in value (cost) are added and then it is divided by total quantity
purchased. Here also opening stock representing last year’s purchases is not
considered.
Note- Under both periodic simple average
method and weighted average method all issues are made at a single rate.
Stock Level of Materials
Maximum Level=
Re-order level + Re-order quantity-(Minimum Consumption X Minimum order period)
Or, =
Re-order level + Re-order quantity- Minimum Consumption in Given Period
Minimum level=
Re-order level-( Average Consumption X Average re-order period) or,
Re-order
Level-(Average Consumption Rate X Average Lead Time)
Re-ordering
Level= Maximum Consumption X Maximum re-order period) or,
Average
Consumption X( Minimum Stock for emergency + Avg. Lead Time) or,
Safety Stock +
Lead Time Consumption
Average Level=
Minimum Level + Maximum Level\ 2
Danger Level=
Average Consumption X Lead Time For Emergency Purchases
Economic Order Quantity= 2AO\C ?
Number of
orders= Annual Consumption\ EOQ ( Order Size)
Time
gap between two consecutive orders= 12 Months or 365 Days\ Number of Orders
Here ,A=
Annual Consumption O= Ordering Cost C= Carrying Cost
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